The depths of the sea: an account of the general results of the dredging cruises of H.M.SS. 'Porcupine' and 'Lightning' during the summers of 1868, 1869, and 1870, under the scientific direction of Dr. Carpenter, F.R.S., J. Gwyn Jeffreys, F.R.S., and Dr. Wyville Thomson, F.R.S.
The depths of the sea: an account of the general results of the dredging cruises of H.M.SS. 'Porcupine' and 'Lightning' during the summers of 1868, 1869, and 1870, under the scientific direction of Dr. Carpenter, F.R.S., J. Gwyn Jeffreys, F.R.S., and Dr. Wyville Thomson, F.R.S.
Copyright-evidenceEvidence reported by judyjordan for item depthsofseaaccou00thomrich on April 16, 2007: no visible notice of copyright; stated date is 1873.